SOLUTION: factor -9b+63

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Hi, Hope I can help,
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factor -9b+63
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First we need to find what is in common in both terms ( -9b and "63")
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They both have a (-9) in common, now divide both terms by (-9)
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=
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=
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Now we can combine the two answers, which equals , this makes up the second factor, first is (-9)
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The factored form =
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You would get the original polynomial if you used the distribution method
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= = , remember the signs
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, our original polynomial, they most likely want you to have "b" positive, so is your answer
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Here is another way of factoring
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They both have a "9" in common, now divide both terms by "9"
.
= =
.
=
.
Now we can combine the two answers, which equals , this makes up the second factor, first is "9"
.
The factored form = , we can check by distribution
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= = (Remember signs)
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, our original polynomial
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They most likely want your "b" to be positive, so your factored answer is
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Hope I helped, Levi